1. Using tools must be used correctly. And appropriate to the nature of the task
2. Tools of all kinds. Must be in perfect condition, safe, no damage 3
.Electric tool to the ground before use. And wire have no cuts, a felt or contort
4. Tools with the spin. Equipment must be covered
5. Machine tools should be used switch drop back (Dead-man control)
6.To check the tool. If found damaged must be corrected
7. Dragging the wind, or wires used with machine tools should have prevented the destruction. Such as hitting the wood flanked lines. To prevent over the car line
8.Instrument wind drive up after use to ventilation out
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